Subtask 10-12-00-620-086
 H. Protection of the APU
 (1)
 Do an inspection of the APU for preservation (Ref. TASK 49-20-00-210-001).

 (2)
 Do the preservation of the APU (Ref. TASK 49-20-00-600-002).

 (3)
 If necessary, apply SPECIAL MATERIALS (Material No. 05-027) on cases, solenoids, brackets, screws and bolt heads in the APU compartment.

 **ON A/C ALL
 Subtask 10-12-00-210-070
 J. Visual Inspection of the Drains
 (1) Make sure that all the external structural drain holes are not clogged:
 (a)
 In the lower fuselage (Ref. TASK 53-59-00-210-001).

 (b)
 On the pylons (Ref. TASK 54-50-00-200-001).

 (c)
 On the engines.

 (d) In all other locations. Subtask 10-12-00-620-087
 K. External Protections of the Aircraft
 (1)
 With STORAGE PRESERVATION (Material No. 15-002) and adhesive tape:

 (a)
 Put a cover on the top of the rudder to prevent bird excrement.

 (b)
 Seal:

 -
the surge-tank overpressure,

 -
the L and R ailerons to prevent bird nests,

 -
the air conditioning inlets and outlets,

 -
the avionics ventilation inlets and outlets,

 -
the battery venturi.

 (2)
 Blank off with fine nylon netting and adhesive tape:

 -
the fuel NACA air-intakes

 -
the overpressure protector outlet (wing tanks)

 -all the drain valves

 (3)
 Apply SPECIAL MATERIALS (Material No. 05-005) on the trailing edge of the wings.

 (4)
 Apply SPECIAL MATERIALS (Material No. 05-027):
 - on the leading edges of the nacelles and THS
 - on the refuel/defuel panel
 - on all the unpainted light-alloy areas.

 Subtask 10-12-00-620-088
 L. Protection of the Cabin and Cockpit
 (1)
 Protect with a plastic film:

 -all the passenger and cockpit seats
 -the carpets of the cabin aisles, cockpit and galley areas.

 (2)
 Open the cockpit and window shades.

 (3) Make sure that the sliding windows are closed. R **ON A/C 001-003, 051-054,
 Subtask 10-12-00-620-096-A
 M. Protection of the Doors
 (1)
 Lubricate the external control handles of the passenger/crew doors (Ref. TASK 12-22-52-640-006).

 (2)
 Lubricate the safety pin guide fitting and the door arming/disarming mechanism (Ref. TASK 12-22-52-640-014).

 (3)
 Lubricate the hinge-arm support-fitting bearings (Ref. TASK 12-22-52-640-016).

 (4)
 Lubricate the cargo-compartment doors (Ref. TASK 12-22-52-640-002).

 (5)
 Lubricate the cargo-compartment door handles (Ref. TASK 12-22-52-640-009).

 (6)
 Lubricate the bulk-cargo door handle (Ref. TASK 12-22-52-640-007).

 (7)
 Lubricate the avionics compartment-door handles (Ref. TASK 12-22-52-640-008).

 (8)
 Apply SPECIAL MATERIALS (Material No. 05-043) on the seals of all the doors.

R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 10-12-00-620-096
 M. Protection of the Doors
 (1)
 Lubricate the external control handles of the passenger/crew doors (Ref. TASK 12-22-52-640-006).

 (2)
 Lubricate the safety pin guide fitting and the door arming/disarming mechanism (Ref. TASK 12-22-52-640-014).

 (3)
 Lubricate the hinge-arm support-fitting bearings (Ref. TASK 12-22-52-640-016).

 (4)
 Lubricate the cargo-compartment doors (Ref. TASK 12-22-52-640-002).

 (5)
 Lubricate the cargo-compartment door handles (Ref. TASK 12-22-52-640-009).

 (6)
 Lubricate the avionics compartment-door handles (Ref. TASK 12-22-52-640-008).

 (7)
 Apply SPECIAL MATERIALS (Material No. 05-043) on the seals of all the doors.

 **ON A/C 301-399,
 Subtask 10-12-00-620-096-B
 M. Protection of the Doors
 (1)
 Lubricate the external control handles of the passenger/crew doors (Ref. TASK 12-22-52-640-006).

 (2)
 Lubricate the safety pin guide-fitting and the door arming/disarming mechanism (Ref. TASK 12-22-52-640-014).

 (3)
 Lubricate the hinge-arm support-fitting bearings (Ref. TASK 12-22-52-640-016).

 (4)
 Lubricate the external control handle and the telescopic arm (Ref. TASK 12-22-52-640-013).
　
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